aeroplane (plural aeroplanes)
- (Australia, New Zealand, South Africa, Ireland, India, Britain) A powered heavier-than-air aircraft with fixed wings.
- (aeronautics, archaic) An airfoil.
- Any of various nymphalid butterflies, of various genera, having a slow gliding flight. Also called planes.
This word was also formerly used in Canada and the US, but those regions now use airplane. Some speakers in those places may still idiolectally use aeroplane, however.
airplane — see airplane